6Vauthey JN, Marsh RW, Zlotecki RA, et al. Recent advances in the treatment and outcome of locally advanced rectal cancer. Ann Surg,1999, 229(5): 745-752; discussion 752-754.
7Andreola S, Leo E, Belli F, et al. Adenocarcinoma of the lower third of the rectum surgically treated with a <10-mm distal clearance:Preliminary results in 35Agatients. Ann Surg Oncol, 2001, 8(7):611-15.
8Park Y J, Youk EG, Choi HS, et al. Experience of 1446 rectal cancer patients in Korea and analysis of prognostic factors, lnt J Colorect Dis, 1999, 14(2): 101-106.